html,body{width: 100%;height: 100%;background-color: #f3f3f4;font-size: 14px;line-height: 20px;}
*{margin: 0 ;padding: 0 ;box-sizing: border-box;}
.l_mainbox{width: 100%;height: 100%;position: relative;padding: 15px;overflow: hidden}
.l_contentbox{width: 100%;height: 100%;position: relative;overflow-x: hidden;overflow-y: auto;}
